To my great surprise, To my astonishment, What a ...

How…, What…, God knows...

Why? Well..., If you ask me why..., The reason is...

If you ask me..., If I had to say, If I were to say

in terms of, speaking of, to put it in terms of

one at a time, per, each

by far, much more, far more

Completely covered in, Full of, Riddled with

However, Nevertheless, To be fair

Again, Once more, A second time

the quality of being ~, the state or character of ~, ness; essence of ~

about the same as, about as, no less

similar to, like, in the same way as

in line with, comparable with, along with

There is no doubt that, I'm sure that, It must be the case that

per, per person, per item

to correspond to, to amount to, to be equivalent to

Nothing better than, There's nothing like, Limited to

Not necessarily so, Is not always true, There is no guarantee that

hardly ever, rarely, seldom